diff options
Diffstat (limited to 'target/s390x/vec_fpu_helper.c')
| -rw-r--r-- | target/s390x/vec_fpu_helper.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 6984f770ff..29ccc608dc 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -582,6 +582,30 @@ void HELPER(gvec_vflr128)(void *v1, const void *v2, CPUS390XState *env, s390_vec_write_float64(v1, 0, ret); } +static void vfma32(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, + const S390Vector *v4, CPUS390XState *env, bool s, int flags, + uintptr_t retaddr) +{ + uint8_t vxc, vec_exc = 0; + S390Vector tmp = {}; + int i; + + for (i = 0; i < 4; i++) { + const float32 a = s390_vec_read_float32(v2, i); + const float32 b = s390_vec_read_float32(v3, i); + const float32 c = s390_vec_read_float32(v4, i); + float32 ret = float32_muladd(a, b, c, flags, &env->fpu_status); + + s390_vec_write_float32(&tmp, i, ret); + vxc = check_ieee_exc(env, i, false, &vec_exc); + if (s || vxc) { + break; + } + } + handle_ieee_exc(env, vxc, vec_exc, retaddr); + *v1 = tmp; +} + static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, const S390Vector *v4, CPUS390XState *env, bool s, int flags, uintptr_t retaddr) @@ -606,6 +630,22 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, *v1 = tmp; } +static void vfma128(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, + const S390Vector *v4, CPUS390XState *env, bool s, int flags, + uintptr_t retaddr) +{ + const float128 a = s390_vec_read_float128(v2); + const float128 b = s390_vec_read_float128(v3); + const float128 c = s390_vec_read_float128(v4); + uint8_t vxc, vec_exc = 0; + float128 ret; + + ret = float128_muladd(a, b, c, flags, &env->fpu_status); + vxc = check_ieee_exc(env, 0, false, &vec_exc); + handle_ieee_exc(env, vxc, vec_exc, retaddr); + s390_vec_write_float128(v1, ret); +} + #define DEF_GVEC_VFMA_B(NAME, FLAGS, BITS) \ void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3, \ const void *v4, CPUS390XState *env, \ @@ -617,7 +657,9 @@ void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3, \ } #define DEF_GVEC_VFMA(NAME, FLAGS) \ - DEF_GVEC_VFMA_B(NAME, FLAGS, 64) + DEF_GVEC_VFMA_B(NAME, FLAGS, 32) \ + DEF_GVEC_VFMA_B(NAME, FLAGS, 64) \ + DEF_GVEC_VFMA_B(NAME, FLAGS, 128) DEF_GVEC_VFMA(vfma, 0) DEF_GVEC_VFMA(vfms, float_muladd_negate_c) |